Reverts "Wide gamut framework gradient test (#153976)" (#157615)

Reverts: flutter/flutter#153976
Initiated by: jonahwilliams
Reason for reverting: failing on postsubmit
Original PR Author: gaaclarke

Reviewed By: {jonahwilliams}

This change reverts the following previous change:
issue: flutter/flutter#127855
depends on flutter/engine#54748 being rolled into the framework

Author: auto-submit[bot]

dev/integration_tests/wide_gamut_test/integration_test/app_test.dart

@@ -175,45 +175,5 @@ void main() {
           await channel.invokeMethod('test') as List<Object?>;
       expect(_findColor(result, _deepRed), isTrue);
     });
-
-    testWidgets('draw wide gamut linear gradient works', (WidgetTester tester) async {
-      app.run(app.Setup.linearGradient);
-      await tester.pumpAndSettle(const Duration(seconds: 2));
-
-      const MethodChannel channel = MethodChannel('flutter/screenshot');
-      final List<Object?> result =
-          await channel.invokeMethod('test') as List<Object?>;
-      expect(_findColor(result, _deepRed), isTrue);
-    });
-
-    testWidgets('draw wide gamut radial gradient works', (WidgetTester tester) async {
-      app.run(app.Setup.radialGradient);
-      await tester.pumpAndSettle(const Duration(seconds: 2));
-
-      const MethodChannel channel = MethodChannel('flutter/screenshot');
-      final List<Object?> result =
-          await channel.invokeMethod('test') as List<Object?>;
-      expect(_findColor(result, _deepRed), isTrue);
-    });
-
-    testWidgets('draw wide gamut conical gradient works', (WidgetTester tester) async {
-      app.run(app.Setup.conicalGradient);
-      await tester.pumpAndSettle(const Duration(seconds: 2));
-
-      const MethodChannel channel = MethodChannel('flutter/screenshot');
-      final List<Object?> result =
-          await channel.invokeMethod('test') as List<Object?>;
-      expect(_findColor(result, _deepRed), isTrue);
-    });
-
-    testWidgets('draw wide gamut sweep gradient works', (WidgetTester tester) async {
-      app.run(app.Setup.sweepGradient);
-      await tester.pumpAndSettle(const Duration(seconds: 2));
-
-      const MethodChannel channel = MethodChannel('flutter/screenshot');
-      final List<Object?> result =
-          await channel.invokeMethod('test') as List<Object?>;
-      expect(_findColor(result, _deepRed), isTrue);
-    });
   });
 }

dev/integration_tests/wide_gamut_test/lib/main.dart

@@ -137,7 +137,7 @@ const String _displayP3Logo =
     'gr3yrjmlwqXLjmWw1O2I5Wmp9Xxjyh+AVIZ6ADIAqcwClakzeMgApDILVKbO4CED'
     'kMosUJk6g4dUBuRfvf1am9VRqzYAAAAASUVORK5CYII=';
 
-void main() => run(Setup.sweepGradient);
+void main() => run(Setup.container);
 
 enum Setup {
   none,
@@ -146,10 +146,6 @@ enum Setup {
   blur,
   drawnImage,
   container,
-  linearGradient,
-  radialGradient,
-  conicalGradient,
-  sweepGradient,
 }
 
 void run(Setup setup) {
@@ -269,14 +265,7 @@ class _MyHomePageState extends State<MyHomePage> {
         _loadImage().then((ui.Image? value) => setState(() { _image = value; }));
       case Setup.drawnImage:
         _drawImage().then((ui.Image? value) => setState(() { _image = value; }));
-      case Setup.image ||
-            Setup.blur ||
-            Setup.none ||
-            Setup.container ||
-            Setup.linearGradient ||
-            Setup.radialGradient ||
-            Setup.conicalGradient ||
-            Setup.sweepGradient:
+      case Setup.image || Setup.blur || Setup.none || Setup.container:
         break;
     }
     super.initState();
@@ -319,97 +308,6 @@ class _MyHomePageState extends State<MyHomePage> {
                 green: 0,
                 blue: 0,
                 colorSpace: ui.ColorSpace.displayP3));
-      case Setup.linearGradient:
-        imageWidget = Container(
-          width: 100,
-          height: 100,
-          decoration: const BoxDecoration(
-            gradient: LinearGradient(
-              begin: Alignment.topLeft,
-              end: Alignment.bottomRight,
-              colors: <Color>[
-                Color.from(
-                  alpha: 1,
-                  red: 1,
-                  green: 0,
-                  blue: 0,
-                  colorSpace: ui.ColorSpace.displayP3),
-                Color.from(
-                  alpha: 1,
-                  red: 0,
-                  green: 1,
-                  blue: 0,
-                  colorSpace: ui.ColorSpace.displayP3)],
-            ),
-          ),
-        );
-      case Setup.radialGradient:
-        imageWidget = Container(
-          width: 100,
-          height: 100,
-          decoration: const BoxDecoration(
-            gradient: RadialGradient(
-              colors: <Color>[
-                Color.from(
-                  alpha: 1,
-                  red: 1,
-                  green: 0,
-                  blue: 0,
-                  colorSpace: ui.ColorSpace.displayP3),
-                Color.from(
-                  alpha: 1,
-                  red: 0,
-                  green: 1,
-                  blue: 0,
-                  colorSpace: ui.ColorSpace.displayP3)],
-            ),
-          ),
-        );
-      case Setup.conicalGradient:
-        imageWidget = Container(
-          width: 100,
-          height: 100,
-          decoration: const BoxDecoration(
-            gradient: RadialGradient(
-              focal: Alignment(0.2, 0.2),
-              colors: <Color>[
-                Color.from(
-                  alpha: 1,
-                  red: 1,
-                  green: 0,
-                  blue: 0,
-                  colorSpace: ui.ColorSpace.displayP3),
-                Color.from(
-                  alpha: 1,
-                  red: 0,
-                  green: 1,
-                  blue: 0,
-                  colorSpace: ui.ColorSpace.displayP3)],
-            ),
-          ),
-        );
-      case Setup.sweepGradient:
-        imageWidget = Container(
-          width: 100,
-          height: 100,
-          decoration: const BoxDecoration(
-            gradient: SweepGradient(
-              colors: <Color>[
-                Color.from(
-                  alpha: 1,
-                  red: 1,
-                  green: 0,
-                  blue: 0,
-                  colorSpace: ui.ColorSpace.displayP3),
-                Color.from(
-                  alpha: 1,
-                  red: 0,
-                  green: 1,
-                  blue: 0,
-                  colorSpace: ui.ColorSpace.displayP3)],
-            ),
-          ),
-        );
     }
 
     return Scaffold(